Finding the Fourth Proportional to 982,866.69, 1,356,399.68 and 553,174.65
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Solution
The fourth proportional to 982,866.69, 1,356,399.68 and 553,174.65 is: 763,405.58
Step by Step Solution
- Step 1: Write the proportion equation
982,866.69 : 1,356,399.68 = 553,174.65 : x - Step 2: Convert to fraction form
982,866.69/1,356,399.68 = 553,174.65/x - Step 3: Cross multiply
982,866.69x = 1,356,399.68 × 553,174.65 - Step 4: Simplify right side
982,866.69x = 750,325,915,478.24 - Step 5: Solve for x
x = 750,325,915,478.24/982,866.69 - Step 6: Final answer
x = 763,405.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.